In your case, packet-size queue-limits are fine. Time based queue limits are nice when you have on policy for many sites with different bandwidths.   Be aware that queue-limits produce delay and jitter. If you are using a SCADA, you might want to kee...

I have experimented a bit with bursts - to test this I used wanperf  and set the sending timeslot (Tc) to different values. When I send with a Tc of 100 ms, I get a big microburst at the beginning of the sending timeslot (Line Rate 1 Gbit/s) and then...